Rails & MySQL on Apple Silicon

Question

has anyone been able to get Rails running with the MySQL via the mysql2 gem on Apple Silicon? I'm working with Ruby 2.5.3 and Rails 5.2.3 but would love to hear of any successes with any versions. Currently I am stuck with the mysql2 gem install failing on:

linking shared-object mysql2/mysql2.bundle
ld: library not found for -lssl
clang: error: linker command failed with exit code 1 (use -v to see invocation)
make: *** [mysql2.bundle] Error 1

Thank you!

Answer 1

I've had success with just the following:

rbenv exec gem install mysql2 -- \
--with-mysql-lib=/opt/homebrew/Cellar/mysql/8.0.25_1/lib \
--with-mysql-dir=/opt/homebrew/Cellar/mysql/8.0.25_1 \
--with-mysql-config=/opt/homebrew/Cellar/mysql/8.0.25_1/bin/mysql_config \
--with-mysql-include=/opt/homebrew/Cellar/mysql/8.0.25_1/include 

(Note that you may need to change the version number in those paths)

Notably, this worked with the most recent version of mysql and does not require any Intel versions or using an emulated version of HomeBrew (e.g. ibrew).

Configure Bundler to use this build configuration automatically:

You may also want to set this configuration as your default for mysql2. This way anytime bundler has to re-install mysql2 (on this project or any other project on the same computer), it will automatically use this configuration. You can do that with the following:

bundle config set --global build.mysql2 \
--with-mysql-lib=/opt/homebrew/Cellar/mysql/8.0.25_1/lib \
--with-mysql-dir=/opt/homebrew/Cellar/mysql/8.0.25_1 \
--with-mysql-config=/opt/homebrew/Cellar/mysql/8.0.25_1/bin/mysql_config \
--with-mysql-include=/opt/homebrew/Cellar/mysql/8.0.25_1/include